Precise TrimmingBaby nail file includes six interchangeable grinding heads of varying textures for different stages of your baby's growth, ensuring precision and versatility. Powered by 1 AAA battery (not included), providing hassle-free use without the need for charging. New Shape and SmallAll baby and newborn essentials must haves a electric baby nail kit, It has been designed to be extremely quiet, so you can trim your baby's nails when they're asleep. Baby Nail File SetElectric Baby Nail Care Set is easy to use, just 1 button you can simply operate the nail filing machine. File and polish with ease to leave your childs nails smooth, preventing scratches! Safe and SimpleNewborn babies have thin and fast growing fingernails that can easily scratch their face or adults' skin, so when babies' nails are long, first gently trim the nails to a length appropriate, then use the baby manicure set to grind and polish them. You no longer have to worry about your baby scratching. Safe and SimpleNewborn babies have thin and fast growing fingernails that can easily scratch their face or adults' skin, so when babies' nails are long, first gently trim the nails to a length appropriate, then use the baby manicure set to grind and polish them. You no longer have to worry about your baby scratching.